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  See more parts for Subaru Forester
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ACL Subaru EJ18/EJ20/EJ22/EJ25 Standard Size Main Bearing Set 5M8297-STD (1990-2017) - 5M8297-STD
ACL Subaru EJ18/EJ20/EJ22/EJ25 Standard Size Main Bearing Set 5M8297-STD (1990-2017) - 5M8297-STD - Image 2 ACL Subaru EJ18/EJ20/EJ22/EJ25 Standard Size Main Bearing Set 5M8297-STD (1990-2017) - 5M8297-STD - Image 2

ACL 5M8297-STD Main Bearing Set

The ACL 5M8297-STD is a reliable choice for those looking to enhance the performance of their Subaru engines, specifically designed for the EJ18, EJ20, EJ22, and EJ25 models. This standard size main bearing set has been crafted with precision to meet the demands of both everyday drivers and performance enthusiasts alike.

Key Features

  • High strength overlay plate that is thinner, promoting better fatigue resistance.
  • Hardened steel backs on all rod bearings ensure better support and retention within the housing.
  • Enhanced crush for improved bearing retention during operation.
  • Removal of flash plating on the back of the bearings boosts heat transfer and grip.
  • Increased eccentricity to handle bore distortion at higher RPMs, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved design optimizes load carrying surface area and oil flow to conrod bearings.
  • Consistent wall tolerances help maintain reliable clearances.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Size: STD, .025, .25, 0.5
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 2.3616 in / 59.984 mm
  • Max Standard Shaft Size: 2.3622 in / 60.000 mm
  • Min Standard Tunnel Size: 2.5197 in / 64.000 mm
  • Max Standard Tunnel Size: 2.5205 in / 64.020 mm
  • Max Wall at Crown: 0.0789 in / 2.005 mm
  • Max Overall Length: 0.7480 in / 19.00 mm

Customer Feedback

Many users have reported a noticeable improvement in engine performance after installing the 5M8297-STD bearings. One customer mentioned, "I replaced my old bearings with these ACL ones, and I can feel the difference in how smooth my engine runs now." Another user noted, "These bearings fit perfectly and have held up well under higher RPMs. I’m very satisfied with my purchase." Overall, the feedback highlights the durability and efficiency of these bearings in various driving conditions.

Fitment

These bearings are confirmed to fit the following Subaru models:

  • Subaru Forester (1998-2017)
  • Subaru Legacy (1990-2017)

Other Part Numbers:
ACL #acl5M8297-STD

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1998-2017
 Subaru Forester
1990-2017
 Subaru Legacy

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Who is ACL?

ACL is a company that specializes in manufacturing and distributing high-quality engine bearings that have played a key role in the Australian automotive parts market. 

Based in Launceston, Tasmania, Australia, the company has been in the business for more than 70 years and has become the leading brand when it comes to its market segment.

Throughout the years, ACL has consistently provided top quality products and has become the equipment supplier of multiple Automotive brands such as Lancia, Mazda, Mini, Mitsubishi, Nissan, Peugeot, Subaru, Toyota, Volvo, Suzuki, Renault, SAAB, and more.  ACL also provides a replacement product range used by the aftermarket industry.

The company ensures that it maintains its high level of standard by employing manufacturing processes that are ISO certified. They also use the industry’s most advanced tooling equipment and designing software that allows them to create products that are superior in quality. ACL has been known worldwide to create bearings that are durable, innovative, and precise.

ACL also offers bearing used for high-performance applications. The company has been involved in motorsport racing since the 1960s and has manufactured bearings used in Brabham Formula 1. Today, their products are being used in different racing disciplines such as the Australian Supercar Championship, Drag racing, Driftings, and Rally.

Purchase ACL Bearings at Vivid Racing

Engine Bearings are a critical component of a vehicle and should not be overlooked. If you want to make sure that what you get is something you could rely on, then ACL is the brand for you. With over 200 engine applications, whether it’s an American, Australian, European, or Asian made vehicle, ACL got you covered. Visit Vivid Racing and check out their list of bearings that would fit your specific needs.

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